National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

Rain

36°F

2°C

Humidity 97%
Wind Speed N 16 mph
Barometer 29.81 in (1009.2 mb)
Dewpoint 35°F (2°C)
Visibility 8.00 mi
Wind Chill26°F (-3°C)
Last update 23 Mar 3:54 am EDT
Extended Forecast for

Watertown MA

  • Overnight

    Overnight: Rain and sleet before 5am, then rain, snow, and sleet. Low around 34. North wind around 9 mph. Chance of precipitation is 90%. Total nighttime snow and sleet accumulation of less than a half inch possible.

    Low: 34 °F

    Wintry Mix

  • Monday

    Monday: Rain, snow, and sleet before 11am, then a chance of snow showers. High near 36. North wind 9 to 13 mph. Chance of precipitation is 90%. New snow and sleet accumulation of less than one inch possible.

    High: 36 °F

    Wintry Mix
    then Chance
    Snow Showers

  • Monday Night

    Monday Night: Scattered snow showers, mainly before 11pm. Mostly cloudy, with a low around 30. Northwest wind 3 to 8 mph. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.

    Low: 30 °F

    Scattered
    Snow Showers
    then Slight
    Chance Snow
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 46. Northwest wind around 6 mph.

    High: 46 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 33. Southwest wind around 7 mph.

    Low: 33 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 53. Southwest wind 6 to 11 mph, with gusts as high as 22 mph.

    High: 53 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of rain after 3am. Mostly cloudy, with a low around 41. Southwest wind 7 to 9 mph. Chance of precipitation is 30%.

    Low: 41 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: A chance of rain before 8am. Mostly cloudy, with a high near 59. Southwest wind 7 to 11 mph. Chance of precipitation is 30%.

    High: 59 °F

    Chance Rain
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: Rain likely, mainly after 3am. Mostly cloudy, with a low around 44. Southwest wind around 9 mph. Chance of precipitation is 60%.

    Low: 44 °F

    Chance Rain
    then Rain
    Likely

Detailed Forecast

Overnight
Rain and sleet before 5am, then rain, snow, and sleet. Low around 34. North wind around 9 mph. Chance of precipitation is 90%. Total nighttime snow and sleet accumulation of less than a half inch possible.
Monday
Rain, snow, and sleet before 11am, then a chance of snow showers. High near 36. North wind 9 to 13 mph. Chance of precipitation is 90%. New snow and sleet accumulation of less than one inch possible.
Monday Night
Scattered snow showers, mainly before 11pm. Mostly cloudy, with a low around 30. Northwest wind 3 to 8 mph. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.
Tuesday
Mostly sunny, with a high near 46. Northwest wind around 6 mph.
Tuesday Night
Partly cloudy, with a low around 33. Southwest wind around 7 mph.
Wednesday
Partly sunny, with a high near 53. Southwest wind 6 to 11 mph, with gusts as high as 22 mph.
Wednesday Night
A chance of rain after 3am. Mostly cloudy, with a low around 41. Southwest wind 7 to 9 mph. Chance of precipitation is 30%.
Thursday
A chance of rain before 8am. Mostly cloudy, with a high near 59. Southwest wind 7 to 11 mph. Chance of precipitation is 30%.
Thursday Night
Rain likely, mainly after 3am. Mostly cloudy, with a low around 44. Southwest wind around 9 mph. Chance of precipitation is 60%.
Friday
Rain likely, mainly before 8am. Mostly cloudy, with a high near 52. Northwest wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Friday Night
Mostly clear, with a low around 23. North wind 6 to 8 mph.
Saturday
Mostly sunny, with a high near 42. Northwest wind 5 to 7 mph.
Saturday Night
Partly cloudy, with a low around 27. West wind around 6 mph.
Sunday
Sunny, with a high near 48. West wind 6 to 10 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Watertown MA
 42.37°N 71.16°W (Elev. 46 ft)
Last Update:
1:27 am EDT Mar 23, 2026
Forecast Valid:
4am EDT Mar 23, 2026-6pm EDT Mar 29, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation